Home / 12,709.15-19,059.04-4,387.03

Finding the Fourth Proportional to 12,709.15, 19,059.04 and 4,387.03

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Solution

The fourth proportional to 12,709.15, 19,059.04 and 4,387.03 is: 6,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709.15 : 19,059.04 = 4,387.03 : x
  2. Step 2: Convert to fraction form
    12,709.15/19,059.04 = 4,387.03/x
  3. Step 3: Cross multiply
    12,709.15x = 19,059.04 × 4,387.03
  4. Step 4: Simplify right side
    12,709.15x = 83,612,538.09
  5. Step 5: Solve for x
    x = 83,612,538.09/12,709.15
  6. Step 6: Final answer
    x = 6,578.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.